Base | Representation |
---|---|
bin | 10010111010000111… |
… | …001000100000110000 |
3 | 1221101220100202120200 |
4 | 102322013020200300 |
5 | 313034342114412 |
6 | 13154324435200 |
7 | 1316052466413 |
oct | 227207104060 |
9 | 57356322520 |
10 | 20302301232 |
11 | 8679135454 |
12 | 3b27248b00 |
13 | 1bb71cccc5 |
14 | da84d7b7a |
15 | 7dc5819dc |
hex | 4ba1c8830 |
20302301232 has 120 divisors (see below), whose sum is σ = 58098465984. Its totient is φ = 6615309312.
The previous prime is 20302301147. The next prime is 20302301251. The reversal of 20302301232 is 23210320302.
It is a happy number.
20302301232 is a `hidden beast` number, since 203 + 0 + 230 + 1 + 232 = 666.
It is a super-3 number, since 3×203023012323 (a number of 32 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8208348 + ... + 8210820.
Almost surely, 220302301232 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20302301232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29049232992).
20302301232 is an abundant number, since it is smaller than the sum of its proper divisors (37796164752).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20302301232 is a wasteful number, since it uses less digits than its factorization.
20302301232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3747 (or 3738 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
Adding to 20302301232 its reverse (23210320302), we get a palindrome (43512621534).
The spelling of 20302301232 in words is "twenty billion, three hundred two million, three hundred one thousand, two hundred thirty-two".
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